The biggest roller coaster in the world is the Kingda Ka in New Jersey, USA. Its highest point reaches up to 456 ft (139 meters). it is also the fastest roller coaster in the world. It can reach speeds of 128 mph (206 km/h) in 3.5 seconds.

The Kingda Ka

As stated, the maximum height is 456 ft (139 meters). The drop is 418 ft (127 m) and the length is 3,118 ft (950 m). There are no inversions and the duration is 28 seconds. It can hold up to 1,400 riders every hour. The acceleration from 0 to 128 mph is 3.5 seconds.

The maximum G force is 5.1. The height restriction is 4 ft 7 in (140 cm). Since it opened in May 2005 in Six Flags Great adventure, it has held the record of the world’s biggest roller coaster. The coaster type is steel launched. It is an accelerator coaster model and is a hydraulic launch type. It cost $25 million to build.

The Top Thrill Dragster

The Top Thrill Dragster has a height of 420 ft (130 m) with a drop of 400 ft (120 m). Its length is 2,800 ft (or 850 m). The maximum speed is 120 mph (equal to 190 km/h). Like the Kingda Ka, the Top Thrill Dragster has no inversions. The duration is 17 seconds.

The passenger limit is 1,500 per hour. It takes 3.8 seconds to accelerate from 0 to 120 mph (0 to 193 km/h). The height restriction is 4 ft 4 in (130 cm). The title of the world’s biggest roller coaster belonged to the Top Thrill until the Kingda Ka opened in 2005.

The Top Thrill Dragster is in Top Thrill Dragster Midway Park in Sandusky, Ohio. It is steel launched and a stratacoaster model. It cost $25 million to build and opened on May 4, 2003. The track layout consists of a boxed structure. The colors are red and white. The bars are painted yellow.

The Steel Dragon

The Steel Dragon is in Nagashima Spa Land Park in Nagashima, Mie in Japan. It opened in 2000 and cost $50 million. Its height is 318.25 ft (97 m), making it the third biggest roller coaster in the world.
The drop is 306.74 ft (93.5 m). The length is 8,13.3 ft (or 2,479 m). The highest attainable speed is 96 mph (or 153 km/h).

There are no inversions. Its height limit is 4 ft (120 cm). The launch system consists of 1 lift hill and a couple of chain lifts. The high cost was due to the additional steel put in to protect against earthquakes.

The Millennium Force

The Millennium Force has a height of 310 ft (94 m) with a drop of 300 ft (91 m). The maximum speed is 93 mph (150 km/h). The length is 6,595 ft (2,010 m) and can hold 1,600 riders every hour. It is in Sandusky, Ohio.

The need to build the biggest roller coasters in the world is bound to continue. With people seeking more thrills, manufacturers will definitely look for ways to top one another.